Graco 309909H important safety instructions Pump to Fluid Manifold

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Pressure Relief Procedure

Pump to Fluid Manifold

1.Close shutoff valves GA and GB.

2.Place waste container under sampling valves HA and HB.

5.Open sampling valve A slowly to bleed off pressure. Indicator A will stay on for 5 sec after Pump A reaches Park position, then go off.

Pump air supply pressure must be sufficient to cause pumps to stroke to bottom-most position when function knob to is set to pressure relief/park

HA

HB

GB

GATI4699a

.

3.Turn function knob to pressure relief/park .

4.Press . Indicator A comes on, and Pump A pres- surizes.

6.Indicator B comes on and Pump B pressurizes.

7.Open sampling valve B slowly to bleed off pressure. Indicator B will stay on for 5 sec after Pump B reaches Park position, then go off.

If both pumps are not parked after 1 min, Alarm 26 will sound.

8.Close sampling valves A and B before restarting system.

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309909H

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Contents Repair Parts Important Safety InstructionsContents Manual ConventionsProMix Easy Models Series Description Psi MPa, bar ApprovalsRelated Manuals Component Manuals in English DescriptionFire and Explosion Hazard Equipment Misuse Hazard Pressure Relief Procedure Fluid Manifold to GunPump to Fluid Manifold Maintenance Problem SolutionTroubleshooting Problem Cause SolutionCircuit. See Electrical Schematic, Relieve pressure. Install larger tip. Follow Code Startup ErrorsOperating Errors Code Alarm Active Problem Cause Testing ErrorRepair Replacing Air Filter ElementSoftware Upgrades RemovalReplacing Main Circuit Board Replacing Display Circuit Board Pneumatic Control Alternator RepairReplacing Alternator Regulator Replacing AlarmReplacing Solenoids Dispense Valve/Mix Manifold Assembly Follow Pressure Relief Procedure,Schematic Main Control Board Schematic Pump Solenoid Expansion Board SchematicMain Control Board LEDs PinParts Part No Series A, Pump-based, Cart-mounted Air Spray UnitCable Connections 78 RefNo. Part No. Description Pump and Meter-based, Wall-mounted Air Spray Units Pump Solenoid Cable Connections See page 27 for model numbers and descriptions Description QtyPump-based, Wall-mounted Air Spray Units 494025 24 Ref See page 30 for model numbers and descriptions Meter-based, Wall-mounted High Pressure Units 65 Ref 4025 24 Ref See page 33 for model numbers and descriptions Pump-based, Wall-mounted High Pressure Units Muffler See page 36 for model numbers and descriptions Ft 5.2 ft Pump and Meter-based, Wall-mounted High Pressure Units TI4908a See page 40 for model numbers and descriptions MufflerCheck Valve Tube Connections, Low Pressure Pumps SideTube Connections, High Pressure Pumps P2P1Tube Connections, Meters C1G1 P2 M1Pneumatic Schematic Intrinsically Safe Pneumatic Control Part No. Description QtyAlternator Module 304 Detail Solenoid Module 306 DetailNon-intrinsically Safe Pneumatic Control 307 User Interface DisplayPump Air Control Meter Air Control No. Part No. Description QtyTechnical Data Technical Data Graco Standard Warranty Graco Information